Commit c6c2c0fc authored by Pavel Dovgalyuk's avatar Pavel Dovgalyuk Committed by Aurelien Jarno
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mips: set CP0 Debug DExcCode for SDBBP instruction 



This patch fixes setting DExcCode field of CP0 Debug register
when SDBBP instruction is executed. According to EJTAG specification,
this field must be set to the value 9 (Bp).

Signed-off-by: default avatarPavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-id: 20170502120350.3368.92338.stgit@PASHA-ISP
Reviewed-by: default avatarAurelien Jarno <aurelien@aurel32.net>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>
parent 77031ee1

target/mips/helper.c

+2 −0
Original line number Diff line number Diff line
@@ -627,6 +627,8 @@ void mips_cpu_do_interrupt(CPUState *cs) 
        goto set_DEPC;

    case EXCP_DBp:

        env->CP0_Debug |= 1 << CP0DB_DBp;

        /* Setup DExcCode - SDBBP instruction */

        env->CP0_Debug = (env->CP0_Debug & ~(0x1fULL << CP0DB_DEC)) | 9 << CP0DB_DEC;

        goto set_DEPC;

    case EXCP_DDBS:

        env->CP0_Debug |= 1 << CP0DB_DDBS;